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- Radial Shaft Seal
- 3 in Shaft Diameter
- 4.003 in Housing Bore Diameter
- 1/4 in Width
applications
- Install with lip facing outward for maximum dirt exclusion
- Conveyor rollers and vehicle wheels
caution
- Not generally for oil retention
| Construction | HM21 |
| Lip Type | Single Lip w/o Spring |
| Temperature Range [Min] | -65 °F |
| Spring Material | None |
| Seal Design | Bonded Design |
| Seal Application | Maximum Dirt Exclusion, Dirt Exclusion And Grease Retention At Slower Speeds |
| Temperature Range [Max] | 225 °F |
| Lip Material | Nitrile |
| Shaft Dia. | 3 in |
| Case Construction | Steel Case w/o Inner Case |
| Housing Bore Dia. | 4.003 in |
| Pressure | 3 psi |
| Surface Speed [Nom] | 2,000 ft/min |
| Cover/Compensation Ring/Plate Required | No |
| Seal Width | 0.25 in |
| Misalignment & Runout (In. @ Feet Per Minute) | 0.010@500, 0.005@2000 |
| Lip Style | Internal |
| Pressure [Max] | 3 psi |
| Inch/Metric | Inch |
| Weight | 0.124 LB |
| EAN or UPC | 85311030069 |
